Axle pulley



w. F. BoucH 1,774,167 l AXLE PULLEY Aug. 26, 1930.

Filed Aug. 15. 1927 Patented Aug. 26, 1930 UNITED S'rArEsv vPATENT .oi-*Fics WILLIAM F. BOUCH, OF ROCHESTER, NEW' YORK, ASSIGNOR, BY MESNE ASSIGNMENTS, T,O SIMPLEX EQUIPMENT COMPANY, INC., O1?l NEW YORK, N. Y., A CORPORATION or DELAWARE v e n AXLE PLLEY,

Application filed August 175, 1927. Serial No. 213,143.

The invention relates to pulleys and has special reference to a pulley particularly well adapted for but not necessarilyv restricted to use in connection with car lighting equipment, the pulley being applied to the carvaxle for the purpose of driving a generator.

It is of course Well known that in oar lighting apparatus there is provided a generator suitably mounted beneath a car and driven, usually, by. a belt engaged about a pulley carried by the car axle so as to obtain the driving power. A pulley to be used in this capacity is preferably formed of sections so as to be engaged upon the axle without disturbing its mounting in the truck.

The present invention has Afor a Ymore specific object the provision of an axle pulley formed from sheet metal and of such construction as to be readily mounted upon the axle. e

A still more specific object of the invention is to provide a pulley for thev above described or any other purpose formed of counterpart members which'may be struck out by the employment of a single die and which are adaptedto be assembled andr secured permanetly with respect to one 'another, the invention further contemplating a very simple means for securing the sections in assembled relation in operative position upon a car axle.

An additional object is to provide a pulley of this character which will be extremely simple'and inexpensive to manufacture, easyv to install, rugged and :durable inservice, and a general improvement in the art.

To the attainment of the. foregoing and other objects and advantages,'the invention preferably consists in the details of construction and the arrangement and combination of parts to be hereinafter more fully described and claimed, and illustrated in the accompanying drawing in Which:

Figure l is a side elevation of va pulley constructed in accordance with tion, l

Figure 2'is a detail section taken on the line 2--2 of Figure l, andk A the inven- Y Figure 3 is a vdetail section taken on thev line 3-3 of Figure l. Y

Referring more particularly to the drawing, l have shown the pulley, indicated generally by the numeral l, as formed from a plurality of counterpart elements 2 assembled in a manner to be described and Y Welding is preferable and the line of the weld is indicated in the drawing by the nuineral'. Each element or member 2 is shown as having vits major portion flat or plane with a laterally extending flange portion 4: terminating in an outstanding retaining liange 5 whichcooperates with the edges ofthe'belt, not shown, to prevent the same from slipping off. v.Between thevcenter and the lateral flange 4 each element is formed on one section mating with corresponding ones on the adjacent section to define spokes 7 which add materially to the strengthand rigidity of the structure.

The members 2 of each half of the pulley are welded: or votherwise suitably secured, welding being preferable, to semicylindrical sleeve members 8 which mate to form a bushing or bearing for close engagement upon the axle. e

It is of course conceivable that the two finished sections of the `pulleymight be se- Y lcured together upon the axle in different -K ways but `probably the mostv satisfactory plan is to `form V*the members 2 with laterally extending portions 9-which extend in opposite directions when the pan members are assembled, these portions being suitably apertured for the passageof bolts lO which with a plurality of stamped out ribs 6, those n operate to clamp the two sections of the pulley together, these bolts carrying nuts 11.

It is a possibility that any suitable tace plate or ring could be provided to cover the hub portion defined bythe mating seniicylindrical'sleeve',members 8 and the adjacent portions of the members 2 but such modiiications or additions are not illustrated inasmuch as they wouldconstitute mere relinef ments and not essential features.

In the actual construction, it will be seen that there are 'four identically formed members secured together in pairs, each pair forming one-half of the pulley. `When it is desired to install the device it is obvious that the two sections or halves may be readilyV enga-ged upon a car axle, the bolts l0 inserted through the proper apertures in the portions 9, and the nuts 11 applied and screwed home. After such mounting it will be seen in view ot the foreooin that the pulley will be rigid and immovable with respect to the axle so that as the axle turns during the travel of the car whatever belt is engaged about the pulley will be driven to operate the generator. In case it is ever necessary the pulley may be just as readily demounted.

AFrom the foregoing description and a study oi the drawing it will be apparent that l have thus provided a thoroughly efficient and easily installed pulley for the purpose specified and one which may be produced at probably the minimum cost. The construction, operation and advantages should be readily apparent to one skilled in the art without further explanation.

While I haveshown and described the preferred embodiment oi the invention, it should be understood that the disclosure is merely an exemp'lification of the principles involved as the right is reserved to maire all such changes kin .the details oif construction as .vill widen the field of utility and increase the adaptability of the device provided such changes constitute no departure from the spirit of the invention or the scope oit the claims hereunto appended.

Having thus described the invention, I claim:

l. In driving pulley construction, in combination, a pulley' comprising two substantially semicircular sections, each section being made up oiitwo sheet metal stampings having portions arranged in back to back relation, parts of said portions being pressed away from each other and extending substantially radially to form spoke-like reinorcements, the peripheral portion ot each stamping being bent substantially at right angles and then flanged to provide a beltengaging surface, and said iiange acting to prevent the belt from running ofi the pulley, and the inner peripheral portions of the stamping being pressed outwardly and then bent in a radial direction thereby to form a hub, and means for clamping said sections together and about a shaft.

2. In driving pulley construction, in combination, a pulley comprising plurality of sectors, each sector being made up of two sheet metal members having portions ef;- tending radially, said portions being secured together and arranged baclr to back, said portions having parts thereoiE pressed out of their plane and extending in a substantially radial direction, each ot said portions having an outer rim with which a belt may contact, said rim being bent substantially at right angles to said portions, means at the i Aner edges of said portions adapted to i'orm part oi2 a hub, and means securing said sectors together.

3. In driving pulley construction, in combination, a pulley comprising a plurality of sectors, each sector being made up of two sheet metal members having portions extending radially, said portions being secured together and arranged back to back, said portions having parts thereorn pressed out ot their plane and extending in a substantially radial direction, each oit said portions having an outer rim with which a belt may contact, said rim being bent substantially at right angles to said portions, means at the inner edges of said portions adapted to torni part ot a hub, and means coacting with said hub parts for clamping said sectors together and about a shaft.

In driving pulley construction, in combination, a pulley comprising a plurality ot sectors, each sector bein r made up of two sheet metal members having portions extending radially, said portions being secured together and arranged back to baclr, saidy portions having parts thereof pressed out of their plane and ina direction away from each other, said outwardly pressed parts eX- tending substantially radially and the outwardly pressed part of one portion being substantially alined with the outwardly pressed part of another portion, each of said portions having an outer rim with which a Vbelt may contact, said rim being bent substantially at right angles to said portions, means at the inner edges of said portions adapted to `form part oi a hub, and means coacting with said hub parts for clamping said sectors together' and about a shaft.

In testimony whereof I ai'lix my signature. y

VVlliLIill/l F. BOUCHE. 

